CVB Valves

CVB Valves

Model LD - Large Diameter Butterfly Valves

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Butterfly valve is the most efficient and cost effective system for controlling fluids flow in large diameter pipe lines. CVB Series LD Butterffly Valve allows tight shut-off in both directions while providing a very simple design. They have been supplied since many years in a various different type of applications, such:

  • Large diameter water pipelines
  • Desalination Plants
  • Thermal Power Plants
  • Geathermal Power Plants
  • Nuclear Power Plants

The main features are:

  • Seal located on the disc; easy replaceable without disassemblembling the valve and, even for the large diameters, without removing the valve from the pipe.
  • Seal is continous through 360 degrees, not interrupted by the shaft.
  • Double eccentricity which assures long life to the seal as it minimizes rubbing and eliminates seal to seat contact in the open position ( see Fig 1 )
  • Adjustable seal compression is obtained by means of an adjustable seal retaining ring.
  • ON-OFF or Control services.

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